Download or read book Design and Operation of Small Wastewater Treatment Plants written by Hallvard Ødegaard and published by Elsevier Science & Technology. This book was released on 1994 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of papers on the various technologies that may be used in the design and operation of small wastewater treatment plants. The topics covered include: activated sludge and biofilm reactors, constructed wetlands and ponds, infiltration and soil filter systems.

Download or read book Basic Technics in Ecological Farming Techniques de Base en Agriculture Biologique Grunds tzliche Verfahren der kologischen Landwirtschaft Le Maintien de la Fertilit des Sols The Maintenance of Soil Fertility Die Erhaltung der Bodenfruchtbarkeit written by Stuart Hill and published by Birkhäuser. This book was released on 2013-12-14 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Perspectives for Agroecosystem Management written by Peter Schroder and published by Elsevier. This book was released on 2011-08-19 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sustainable agriculture is a key concept for scientists, researchers, and agricultural engineers alike. This book focuses on the FAM- project (FAM Munich Research Network on Agroecosystems) of the 1990s as a means to assessing, forecasting, and evaluating changes in the agroecosystems that are necessary for agricultural sustainability. The management of two separate management systems: an organic and an integrated farming system are described to provide an interdisciplinary approach Changes of matter fluxes in soils, changes of trace gas fluxes from soils, precision farming in a small scale heterogen landscape, influence of management changes on flora and fauna, as well as the development of agroecosystem models, the assessment of soil variability and the changes in nutrient status are important aspects of this book.* Contains detailed results and insight of a long-time project on agricultural sustainability* Provides an interdisciplinary approach for comprehensive understanding by scientists and researchers of soil, plants, agriculture, and environment * Includes an international perspective

Download or read book Aide au diagnostic des stations d puration par l observation microscopique des boues activ es written by Jean-Pierre Canler and published by Editions Quae. This book was released on 2011 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Traitement biologique des lisiers de porcs en boues activ es written by Marie-Line Daumer and published by Editions Quae. This book was released on 2005 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthèse des connaissances techniques du traitement biologique des lisiers de porcs à la ferme : stockage et homogénéisation du lisier ; systèmes de séparation solide/liquide ; fonctionnement d'un réacteur de boues activées par aération séquentielle ; conduite du procédé et dysfonctionnements ; utilisation des produits du traitement.